Tag Archives: characteristic class

Steenrod squares

Posted on August 21, 2013 by John Roe

The Steenrod squares are discussed at some length in Chapter 5 of the book (so we’re getting a bit out of sequence here).  But they are also, of course, closely related to characteristic classes: Milnor and Stasheff’s book defines the … Continue reading →

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Characteristic Classes

Posted on July 19, 2013 by John Roe

The next section of the book, available here, gives a very quick introduction to what the Pontrjagin classes are.  This is really just a refresher – I am sure it is too terse for someone who has never seen characteristic … Continue reading →

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